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[MAPREDUCE-2911] Hamster: Hadoop And Mpi on the same cluSTER - MapReduce - [issue]
...MPI is commonly used for many machine-learning applications. OpenMPI (http://www.open-mpi.org/) is a popular BSD-licensed version of MPI. In the past, running MPI application on a Hadoop clu...
http://issues.apache.org/jira/browse/MAPREDUCE-2911    Author: Milind Bhandarkar, 2014-08-05, 03:33
[HDFS-1135] Please sort the various options alphabetically in the output of "hadoop fs -help" - HDFS - [issue]
...The help message printed by "hadoop -fs help" has gotten too big. To make it easy to locate options for a particular command is a painful task. Please sort the options alphabetically, so tha...
http://issues.apache.org/jira/browse/HDFS-1135    Author: Milind Bhandarkar, 2014-07-30, 20:29
[HDFS-1113] Allow users with write access to a directory to change ownership of its subdirectories/files - HDFS - [issue]
...owner and group of a file/directory, and namespace/diskspace quota for a directory are mutable attributes. If I have writable access to a directory, say /team/MyTeam, and if there are subdir...
http://issues.apache.org/jira/browse/HDFS-1113    Author: Milind Bhandarkar, 2014-07-30, 19:26
[MAPREDUCE-1775] Streaming should use hadoop.tmp.dir instead of stream.tmpdir - MapReduce - [issue]
...Hadoop streaming currently uses stream.tmpdir (on the job-client side) to create jars to be submitted etc. This only adds complexity to site-specific configuration files. Instead, it should ...
http://issues.apache.org/jira/browse/MAPREDUCE-1775    Author: Milind Bhandarkar, 2014-07-22, 21:12
[MAPREDUCE-311] JobClient should use multiple volumes as hadoop.tmp.dir - MapReduce - [issue]
...Currently, hadoop.tmp.dir configuration variable allows specification of only a single directory to be used as scratch space. In particular, on the job launcher nodes with multiple volumes, ...
http://issues.apache.org/jira/browse/MAPREDUCE-311    Author: Milind Bhandarkar, 2014-07-22, 21:11
[HADOOP-1815] Separate client and server jars - Hadoop - [issue]
...For the ease of deployment, one should not have to change the server jars, and restart clusters, when minor features on the client side are changed. This requireds separating client and serv...
http://issues.apache.org/jira/browse/HADOOP-1815    Author: Milind Bhandarkar, 2014-07-17, 23:19
[MAPREDUCE-316] Splittability of input should be controllable by application - MapReduce - [issue]
...Currently, isSplittable method of FileInputFormat always returns true. For some applications, it becomes necessary that the map task process entire file, rather than a block. Therefore, spli...
http://issues.apache.org/jira/browse/MAPREDUCE-316    Author: Milind Bhandarkar, 2014-07-17, 18:14
[HDFS-315] Allow simplified versioning for namenode and datanode metadata. - HDFS - [issue]
...Currently namenode has two types of metadata: The FSImage, and FSEdits. FSImage contains information abut Inodes, and FSEdits contains a list of operations that were not saved to FSImage. Da...
http://issues.apache.org/jira/browse/HDFS-315    Author: Milind Bhandarkar, 2014-07-17, 16:53
[HDFS-5324] Make Namespace implementation pluggable in the namenode - HDFS - [issue]
...For the last couple of months, we have been working on making Namespaceimplementation in the namenode pluggable. We have demonstrated that it canbe done without major surgery on the namenode...
http://issues.apache.org/jira/browse/HDFS-5324    Author: Milind Bhandarkar, 2014-04-16, 19:51
Re: RDMA (InfiniBand and RoCE) Support for Hadoop 1.2.1 - Hadoop - [mail # general]
...Hi Xiaoyi,  This is great !  For clusters that have moved to Hadoop 2.x versions, do you have any work in progress to rebase Hadoop-RDMA to 2.x ?  Also, I am wondering if the ...
   Author: Milind Bhandarkar, 2013-11-11, 19:43
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